Description: 【Wide Compatibility with Most Power Tools】: Driver Sockets Set is designed to work seamlessly with a variety of tools including electric drill, cordless drill, pneumatic drill, electric screwdrivers, and impact drill. It allows for easy conversion to enhance work efficiency 【High Hardness Steel Construction】: Socket Bit Adapters are made from quality steel, these extension rods are wear resistant and torsionproof, capable of withstanding high intensity work environments for extended durability 【Secure Ball Lock Design】: Hex to Square Socket Bit Adapter featuring an internal steel ball clasp design that automatically locks the socket in place upon insertion, this ensures a more secure connection and prevents slipping for improved operational security 【Extended Rod Functionality for Tight Space】: Power Socket Extension Adapter Bit Set design allows you to reach into narrow space effortlessly, enhancing operational flexibility in confined areas 【Compact and Portable for Versatile Use】: Square Socket Bit Adapter with its compact structure and easy portability, this set is ideal for both DIY projects at home and professional tasks such as automotive repairs or construction site operations Specification: Material: Steel Size Chart:Length: 6.5cm/2.56inch Package Includes: 5 Socket Adapter Set Note: Colors might be different due to different display. Please allow slightly difference in size due to manual measurement.